` dicon?s mems attenuator is based on a micro-electro-mechanical system (mems) chip. the mems chip consists of an electrically movable mirror on a silicon support. a voltage applied to the mems chip causes the mirror to rotate, which changes the coupling of light between the input and output fibers of the mems attenuator. features small attenuator package qualified to gr-1221 available in opaque or transparent versions available in both cylindrical and 14-pin dip packages applications mems attenuators are used for distributed power equalization within oadms, mux/dmuxes, band equalizers, channel equalizers, optical cross-connects, line cards and transponders. mems attenuators can also be used for input power adjustment in erbium-doped fiber ampli- fiers. u.s. patented. specifications subject to change. copyright ?2004 dicon fiberoptics, inc. all rights reserved. mems attenuator attenuators cylindrical package
attenuators excess loss 0.8 db max. back-reflection -50 db max. wear-out 1 x 10 cycles min. response time 2 ms max. repeatability 0.1 db max. fiber type 9/125 single mode fiber optical power 500 mw max. operating temperature -5 0 c to +70 0 c storage temperature -40 0 c to +85 0 c 1. all specifications referenced without connectors. 3. maximum change of each 2 nm segment within the operating range. polarization dependent loss 0 to 15 db 15 to 20 db 0.2 db max. 0.15 db max. 0.05 ps max. polarization mode dispersion 9 2. at room temperature. attenuation slope 20 db/v max. flatness broad band application narrow band application 3 15 to 20 db 0.7 db max. 0 to 15 db 0.4 db max. 0 to 20 db 0.2 db max. dicon fiberoptics, inc. 1689 regatta blvd. richmond, ca 94804 tel. (510)620-5000 fax. (510)620-4100 www.diconfiber. com mems attenuator attenuators 0047i optical specifications 1,2 housing dimensions ordering information 1 3 . 5 ? 5 . 56 3 . 00 27. 5 mem s -v o a 2 ( cntl ) 3 ( gnd ) 1. 0 ? 2. 5 ? 5 . 56 dc drive voltage 20 uwatt max. actuation type non-latching voltage damage threshold resistance power consumption 2 m ? min. 10 vdc max. 0 - 5 vdc (6.5 v for opaque) electrical specifications barefiber 9l 900 loosetube - 3 2 0 . 83 4. 07 9 . 50 7. 50 ? 5 . 50 1 2.7 0 2. 54 ? . 4 5 4. 8 4 7. 62 units: mm cylindrical package 14-pin dip package control voltage (v) attenuation (db) transparent 01 2 34567 0 10 20 30 40 50 control voltage (v) attenuation (db) opaque 01 2 34567 0 10 20 30 40 50 optical performance
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